@article{FAA_1981_15_2_a16, author = {O. A. Platonova}, title = {Singularities in the problem of the quickest by-passing of an obstacle}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {86--87}, publisher = {mathdoc}, volume = {15}, number = {2}, year = {1981}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1981_15_2_a16/} }